Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 9132216 65129132216
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Audi S8 D3 Digital Radio DAB Tuner Receiver Module Kenwood 4E0035583C
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Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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Wiring Harness Mercedes W246 M270 Petrol Engine Wiring Harness Loom A2701506733
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Part no. VW9065400105
Volkswagen VW Crafter Battery Lead Positive Cable Plus Pole Wiring VW9065400105
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Part no. A2719000600
Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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Ford Transit Mk7 2.2 TDCi Engine Wiring Harness Cable Loom 6C1T-9K499-AHC
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
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Ford Galaxy Mk3 Door Module Front Right O/S Control Unit ECU 6G9T-14B533-BL
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Part no. 03G906021MP
VW Volkswagen Touran TDI Diesel Engine Control Unit ECU 03G906021MP
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Part no. 4L0910223H
Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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Part no. 9381101
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9381101
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Mercedes W906 314CDI OM651.955 143HP Engine Unit Module ECU Kit A6519003403
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Manual
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. 022911023H
Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor Unit 022911023H
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Part no. 9186477
BMW F07 F12 F13 LCI Camera System Unit Module Bracket Holder Mount 9186477
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Part no. 9219987
Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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BMW 3 Series E87 LCI Footwell Light Module ECU Control Unit LED XE FRM 9204536
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005
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Part no. BK2T-14303-AG
Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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Part no. 8590021
BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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Part no. 1K0971349FL
Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
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Part no. 3456859
Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Part no. A0015455716
Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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-15%
Part no. 4M1907468D
Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
Promo price
€151.95
€129.16
Free delivery - Tue, Dec 23
If paid before 14:00

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Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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Mercedes W205 Center Console Ambient Lighting Light Wiring Harness A2055402324
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Part no. 9348761
BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
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Part no. A2085403508
Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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Part no. 1K0057186AN
Radio CD Player VW Volkswagen Caddy 2K Touran Head Unit 1K0057186AN
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Part no. 8X0907063N
Audi Q3 8U A1 8X BCM Body Control Unit Module ECU 8X0907063N
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Part no. 9124632
BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Part no. 9393182
BMW F25 F26 F15 F16 Audio Amplifier Harman Kardon Surround Sound System 9393182
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Audi A8 D4 Boot Trunk Lid Tailgate Lift Control Unit Module ECU 3AA962243D
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Part no. A2669001000
Mercedes-Benz W169 W245 Start Stop Starter Alternator Module ECU A2669001000
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Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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Part no. 6917134
BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Mercedes-Benz ML-Class W163 Fuse Box Lid Cover Box Trim A1635400182
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Part no. 9154943
BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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Part no. A6461503278
Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Part no. 5WA907572B
Audi A3 8Y Adaptive Cruise Control Radar Sensor Control Unit Module 5WA907572B
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Part no. 8507810
BMW E90 E91 LCI Wiring Cable Harness Gearbox Transmission Module 8507810
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Part no. 9239605
Mini R60 Amplifier Control Unit HiFi Audio Harman Kardon R57 R58 R61 9239605
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Part no. 3455539-2
Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Part no. A9079000806
Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806
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Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
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Part no. 7615981-1
Mini Cooper R56 LCI R60 N16 1.6 Petrol Engine ECU Kit DME 7615981 + CAS 3 + Key
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Part no. 04L907309E-1
Audi A3 8V 1.6 TDI CRKB 110HP Engine ECU Kit Ignition + Key 04L907309E Manual
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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Part no. 8581098-1
BMW E70 E71 F01 F02 F10 F11 F30 F31 Diesel Starter Motor NAPA 8581098
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Part no. 9651197480
Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
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Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
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Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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Vauxhall Combo D 1.3 Cdti A13FD Engine Wiring Harness Loom 00552479600
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Audi A4 B7 Body Comfort Control Module BCM Unit ECU 8H0959433M
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Vauxhall Opel Astra G Engine Control Unit ECU Module Petrol Automatic 09391340
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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BMW 3 F30 Hybrid 330e B48X Positive Battery Lead Cable Starterunit 9387151
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BMW E90 E91 E92 Radio Fan Adapter Cooling Control Unit Module F40HQ012GKB
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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Navigation Module BMW F10 F20 F22 F30 F32 Sat Nav DAB Head Unit High 9318750
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BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .